"""LangflowClient HTTP mapping tests (Langflow mocked via respx, no LFX)."""

import httpx
import pytest
import respx

from app.flows.langflow_client import (
    LangflowClient,
    LangflowNotFound,
    LangflowUnavailable,
)

BASE = "https://langflow.test"


def _client():
    return LangflowClient(BASE, api_key="test-key")


@respx.mock
async def test_export_flow_sends_api_key_and_returns_doc():
    doc = {"id": "abc", "name": "n", "data": {"nodes": [], "edges": []}}
    route = respx.get(f"{BASE}/api/v1/flows/abc").mock(
        return_value=httpx.Response(200, json=doc)
    )
    result = await _client().export_flow("abc")
    assert result == doc
    assert route.called
    assert route.calls[0].request.headers["x-api-key"] == "test-key"


@respx.mock
async def test_export_flow_not_found():
    respx.get(f"{BASE}/api/v1/flows/missing").mock(
        return_value=httpx.Response(404, json={"detail": "nope"})
    )
    with pytest.raises(LangflowNotFound):
        await _client().export_flow("missing")


@respx.mock
async def test_list_flows_unwraps_items():
    respx.get(f"{BASE}/api/v1/flows/").mock(
        return_value=httpx.Response(200, json={"items": [{"id": "1"}]})
    )
    assert await _client().list_flows() == [{"id": "1"}]


async def test_unreachable_raises_unavailable():
    client = LangflowClient("https://langflow.dead", api_key="k")
    with pytest.raises(LangflowUnavailable):
        await client.export_flow("whatever")